.mt5 {
  margin-top 5px
}

.mt10 {
  margin-top 10px
}

.mt15 {
  margin-top 15px
}


.mb5 {
  margin-bottom:  5px
}

.mb10 {
  margin-bottom:  10px
}

.mb15 {
  margin-bottom:  15px
}

.width-full {
  width: 100%
}

.height-full {
  height: 100%  
}